參數(shù)資料
型號: UPD784031GCA-3B9
廠商: NEC Corp.
英文描述: 16/8-BIT SINGLE-CHIP MICROCONTROLLER
中文描述: 16/8-BIT單片機(jī)
文件頁數(shù): 64/90頁
文件大小: 377K
代理商: UPD784031GCA-3B9
μ
PD784031
64
(1) Read/write operation (2/2)
Note
The hold time includes the time during which V
OH1
and V
OL1
are held under the load conditions of
C
L
= 50 pF and R
L
= 4.7 k
.
Remarks
T:
T
CYK
(system clock cycle time)
Number of wait states (n
0)
n:
(2) Bus hold timing
Remarks
T:
T
CYK
(system clock cycle time)
1 (during address wait), otherwise, 0
Number of wait states (n
0)
a:
n:
Unit
ns
ns
ns
ns
ns
ns
ns
Parameter
Data setup time (to WR
)
Data hold time (to WR
)
Note
Delay from WR
to ASTB
WR low-level width
Symbol
t
SODW
t
HWOD
t
DWST
t
WWL
MIN.
(1.5 + n) T - 30
(1.5 + n) T - 40
0.5T - 5
0.5T - 25
0.5T - 12
(1.5 + n) T - 30
(1.5 + n) T - 40
MAX.
Conditions
V
DD
= +5.0 V
±
10 %
V
DD
= +5.0 V
±
10 %
V
DD
= +5.0 V
±
10 %
Unit
ns
ns
ns
ns
ns
ns
ns
ns
Parameter
Delay from HLDRQ
to float
Delay from HLDRQ
to HLDAK
Delay from float to HLDAK
Delay from HLDRQ
to HLDAK
Delay from HLDAK
to active
MIN.
1T - 20
1T - 30
MAX.
(6 + a + n) T + 50
(7 + a + n) T + 30
(7 + a + n) T + 40
1T + 30
2T + 40
2T + 60
Conditions
V
DD
= +5.0 V
±
10 %
V
DD
= +5.0 V
±
10 %
V
DD
= +5.0 V
±
10 %
Symbol
t
FHQC
t
DHQHHAH
t
DCFHA
t
DHQLHAL
t
DHAC
相關(guān)PDF資料
PDF描述
UPD784031 16/8-BIT SINGLE-CHIP MICROCONTROLLER
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